Finding the Fourth Proportional to 52,790,587.80, 79,185,881.70 and 44,287,531.80
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Solution
The fourth proportional to 52,790,587.80, 79,185,881.70 and 44,287,531.80 is: 66,431,297.70
Step by Step Solution
- Step 1: Write the proportion equation
52,790,587.80 : 79,185,881.70 = 44,287,531.80 : x - Step 2: Convert to fraction form
52,790,587.80/79,185,881.70 = 44,287,531.80/x - Step 3: Cross multiply
52,790,587.80x = 79,185,881.70 × 44,287,531.80 - Step 4: Simplify right side
52,790,587.80x = 3,506,947,253,899,788 - Step 5: Solve for x
x = 3,506,947,253,899,788/52,790,587.80 - Step 6: Final answer
x = 66,431,297.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.